ABS Activation Unit Carbon Handle & Cartridge backpack airbag cartridge with activation handle fills Twinbags in 2-3 seconds regardless of temperature or external pressure load. The cartridge weighs only 280 grams while the handle 65 grams is easy to replace and is refillable. The cartridge is compatible with the A.Light, S.Light, S.Cape and Vario Base Unit Airbag backpacks. ABS Activation Unit Carbon Handle & Cartridge for airbag backpack